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Finding the Fourth Proportional to 632.94, 874.02 and 543.84

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Solution

The fourth proportional to 632.94, 874.02 and 543.84 is: 750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.94 : 874.02 = 543.84 : x
  2. Step 2: Convert to fraction form
    632.94/874.02 = 543.84/x
  3. Step 3: Cross multiply
    632.94x = 874.02 × 543.84
  4. Step 4: Simplify right side
    632.94x = 475,327.04
  5. Step 5: Solve for x
    x = 475,327.04/632.94
  6. Step 6: Final answer
    x = 750.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.